| Index | Mount Aetna | Maryland | National |
| Average Test Scores | n/a | 40% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 1,163 | 79,221 |
| Total private schools | n/a | 674 | 24,874 |
| Total post-secondary schools | n/a | 112 | 7,963 |
| Index | Mount Aetna | Maryland | National |
| Completed 8th grade | 98.4% | 87.5% | 84.3% |
| Completed high school | 98.4% | 86.5% | 83.0% |
| Completed some college | 77.7% | 64.2% | 59.4% |
| Completed associate degree | 43.1% | 44.8% | 38.5% |
| Completed bachelors | 33.6% | 38.4% | 30.3% |
| Completed masters | 19.2% | 17.7% | 11.5% |
| Completed professional degree | 6.6% | 5.5% | 3.3% |
| Completed doctorate | 2.4% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Mount Aetna. Using the proficiency score averages, the average test scores for Mount Aetna, MD schools is n/a. The average student to teacher ratio is n/a. In Mount Aetna, MD, an average of 98.4% of students have completed 8th grade and an average of 98.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Greencastle, PA | 4,008 | 69% | 44.4% |
| Middletown, MD | 4,694 | 69% | 44.4% |
| Sabillasville, MD | 390 | 65% | 35.4% |
| Waynesboro, PA | 10,898 | 61% | 27.8% |
| Fairfield, PA | 675 | 61% | 26.4% |
| Mount Aetna, MD | 599 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Ashley, ND | 599 | 55% | 14.6% |
| Dunseith, ND | 599 | 15% | 68.4% |
| Osyka, MS | 599 | 50% | 3.1% |
| South Vinemont, AL | 600 | 49% | 2.8% |
| Hay Springs, NE | 600 | 63% | 31.9% |
| Mount Aetna, MD | 599 | n/a |
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